computer history. first computer abacus blaise pascal

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Page 1: Computer History. First Computer ABACUS Blaise Pascal

Computer HistoryComputer History

Page 2: Computer History. First Computer ABACUS Blaise Pascal

First ComputerFirst Computer

ABACUSABACUS

Page 3: Computer History. First Computer ABACUS Blaise Pascal

Blaise PascalBlaise Pascal

Page 4: Computer History. First Computer ABACUS Blaise Pascal

Stepped ReckonerStepped ReckonerGottfried Wilhelm von Leibniz

http://en.wikipedia.org/wiki/Image:Gottfried_Wilhelm_von_Leibniz.jpg

Page 5: Computer History. First Computer ABACUS Blaise Pascal

Joseph Jacquard

Page 6: Computer History. First Computer ABACUS Blaise Pascal

Page 7: Computer History. First Computer ABACUS Blaise Pascal

Charles BabbageCharles BabbageCharles Babbage

Page 8: Computer History. First Computer ABACUS Blaise Pascal

Charles Babbage

Babbage's Difference EngineBabbage's Difference Engine

Page 9: Computer History. First Computer ABACUS Blaise Pascal

Analytical EngineAnalytical Engine

Page 10: Computer History. First Computer ABACUS Blaise Pascal

First Computer ProgrammerFirst Computer Programmer

Ada Byron, Countess of Lovelace

Page 11: Computer History. First Computer ABACUS Blaise Pascal

Herman HollerithHerman Hollerith

http://en.wikipedia.org/wiki/Image:Hollerith.jpg

Page 12: Computer History. First Computer ABACUS Blaise Pascal

Tabulating MachineTabulating Machine

Page 13: Computer History. First Computer ABACUS Blaise Pascal

Hollerith’s Punch CardHollerith’s Punch Card

Page 14: Computer History. First Computer ABACUS Blaise Pascal

Tabulating Machine Company

International Business MachinesInternational Business Machines

Page 15: Computer History. First Computer ABACUS Blaise Pascal

Mark I CalculatorMark I Calculator

Page 16: Computer History. First Computer ABACUS Blaise Pascal

Howard Aiken

Mark IMark I

Page 17: Computer History. First Computer ABACUS Blaise Pascal

ENIAC

Page 18: Computer History. First Computer ABACUS Blaise Pascal

Vacuum TubesVacuum Tubes

Page 19: Computer History. First Computer ABACUS Blaise Pascal

Vacuum TubesVacuum Tubes

Page 20: Computer History. First Computer ABACUS Blaise Pascal

TransistorTransistor

Page 21: Computer History. First Computer ABACUS Blaise Pascal

Transistor RadioTransistor Radio

Page 22: Computer History. First Computer ABACUS Blaise Pascal

First Computer BugFirst Computer Bug

Page 23: Computer History. First Computer ABACUS Blaise Pascal

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